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參數(shù)資料
型號(hào)： ISP1123NB
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 總線(xiàn)控制器
英文描述： Universal Serial Bus compound hub
中文描述： UNIVERSAL SERIAL BUS CONTROLLER, PDIP32
封裝： 0.400 INCH, PLASTIC, SDIP-32
文件頁(yè)數(shù)： 38/49頁(yè)
文件大小： 1155K
代理商： ISP1123NB
Philips Semiconductors
ISP1123
USB compound hub
Preliminary specification
Rev. 01 — 5 October 1999
38 of 49
9397 750 06325
Philips Electronics N.V. 1999. All rights reserved.
[1]
[2]
f
SCL
=
1
64
f
XTAL
.
Rise time is determined by C
b
and pull-up resistor value R
p
(typ. 4.7 k
).
Full-speed timing symbols have a subscript prefix ‘F’, low-speed timings a prefix ‘L.
Fig 21. Hub EOP delay and EOP skew.
handbook, full pagewidth
MGR778
tEOP
+
tEOP
tEOP
+
tEOP
crossover
point
extended
crossover
point
extended
EOP delay:
tEOP = max (tEOP
, tEOP
+
)
EOP delay relative to tHDD:
tEOPD = tEOP
tHDD
EOP skew:
tHESK = tEOP
+
tEOP
(A) downstream EOP delay
(B) upstream EOP delay
upstream
differential
data lines
downstream
port
crossover
point
extended
crossover
point
extended
upstream
end of cable
downstream
differential
data lines
0 V
+
3.3 V
0 V
Table 34: Dynamic characteristics: I
2
C-bus pins (SDA, SCL)
V
CC
and T
amb
within recommended operating range; V
DD
=
+5 V; V
SS
= V
GND
; V
IL
and V
IH
between V
SS
and V
DD
.
Symbol
Parameter
Conditions
f
SCL
SCL clock frequency
f
XTAL
= 6 MHz
t
BUF
bus free time
t
SU;STA
START condition set-up time
t
HD;STA
hold time START condition
t
LOW
SCL LOW time
t
HIGH
SCL HIGH time
t
r
SCL and SDA rise time
t
f
SCL and SDA fall time
t
SU;DAT
data set-up time
t
HD;DAT
data hold time
t
VD;DAT
SCL LOW to data out valid
time
t
SU;STO
STOP condition set-up time
C
b
capacitive load for each bus
line
Min
0
4.7
250
4.0
4.7
4.0
Typ
93.75
[1]
-
-
-
-
-
-
-
-
-
-
Max
100
-
-
-
-
-
1000
300
-
-
0.4
Unit
kHz
μ
s
ns
μ
s
μ
s
μ
s
ns
ns
ns
μ
s
μ
s
[2]
-
-
250
0
-
4.0
-
-
-
-
400
μ
s
pF
相關(guān)PDF資料
PDF描述
ISP1130 Universal Serial Bus compound hub with integrated keyboard controller
ISP1130DL Universal Serial Bus compound hub with integrated keyboard controller
ISP1130N Universal Serial Bus compound hub with integrated keyboard controller
ISP1160 Embedded Universal Serial Bus Host Controller
ISP1160BD Embedded Universal Serial Bus Host Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISP1130 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller
ISP1130DL 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller
ISP1130N 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller
ISP1160 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller
ISP1160BD 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller
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